{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x51cccdf5f3ef663e9f897d13cf5ae5187a202e2a51bffa4959f6d3539d801a20",
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  }
}